Meaning of the word "strike a note" in English

What does "strike a note" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

strike a note

US /straɪk ə noʊt/
UK /straɪk ə nəʊt/
"strike a note" picture

Idiom

to produce a particular impression or feeling

Example:
His speech struck a note of optimism among the crowd.
The documentary struck a note of caution about climate change.